In this chapter, data-level parallelism has been discussed as a way for WSCs to achieve high performance

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In this chapter, data-level parallelism has been discussed as a way for WSCs to achieve high performance on large problems. Conceivably, even greater performance can be obtained by using high-end servers; however, higher performance servers often come with a nonlinear price increase.

a. Assuming servers that are 10% faster at the same utilization, but are 20% more expensive, what is the CAPEX for the WSC?

b. If those servers also use 15% more power, what is the OPEX of the warehouse-scale computer?

c. Given the speed improvement and power increase, what must the cost of the new servers be to be comparable to the original cluster? (Hint:
Based on this TCO model, you may have to change the critical load of the facility.)

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Computer Architecture A Quantitative Approach

ISBN: 9780128119051

6th Edition

Authors: John L. Hennessy, David A. Patterson

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